/**
 * 初始化整体流量图标
 */
define(function(){
    var ec=require('echarts');
    require('echarts/chart/line');
    require('echarts/chart/bar');

    var myChart = ec.init(document.getElementById('cateTrend_EC'));
    var option_day = {
        tooltip : {
            trigger: 'axis',
            formatter:tooltipFunc
        },
        legend: {
            data:['新增有效信息量','新增有效信息量人数']
        },
        toolbox: {
            show : true,
            orient:'vertical',
            feature : {
                mark : {show: true},
                dataZoom : {show: true},
                magicType : {show: true, type: ['line', 'bar', 'stack', 'tiled']},
                restore : {show: true},
                saveAsImage : {show: true}
            }
        },
        calculable : true,
        grid: {
            y:45
        },
        xAxis: [{
            type: "category",
            boundaryGap: true,
            data:[''],
            axisLabel:{
                formatter:function(value){
                return value;
                }
            }
        }],
        yAxis: [
            {
                type : 'value',
                splitNumber:5,
                name : '信息量'
            },
            {
                type : 'value',
                splitNumber:5,
                name : '人数'
            }
        ],
        dataZoom: {
            show: true,
            start: 90
        },
        series: [
            {
                name: '新增有效信息量',
                yAxisIndex: 0,
                type: 'line',
                smooth: true,
                symbol:"none",
                data:[]
            },
            {
                name: '新增有效信息量人数',
                yAxisIndex: 1,
                type: 'line',
                smooth: true,
                symbol:"none",
                data:[]
            }
        ]
    };


    /**
     * 根据指标显示日数据
     * @param eventType= 2:第一次加载, 1:切换日，周，月刷新 , 0: 添加对比后又重新选择指标
     */
    function show(cateTrend,eventType){
        var dateGrp = $('#cateTrendOption').attr('dateGrp');
        var userType = $('#userType_cateTrend').val();
        var cate2Name = $('#index_cateTrend').val();
        myChart.showLoading({
            text: '正在努力的读取数据中...'
        });
        $.ajax({
            url: '/dashboard/info/ajax/cateTrend',
            type: 'post',
            async: true,
            data:{"dateGroup":dateGrp,"userType":userType,"businessName":businessName,"cate2Name":cate2Name},
            dataType: 'json',
            timeout:5000,
            success: function(data, textStatus) {
                option_day.xAxis[0].data = data.time;

                option_day.series[0].data = data.info_valid_add_count;
                option_day.series[1].data = data.user_valid_add_count;

                //区域缩放重置
                var datezoom_local={
                    stat_date:{start:(1-31/data.time.length)*100,end:100},
                    week_begin:{start:(1-12/data.time.length)*100,end:100},
                    month_num:{start:0,end:100}
                };
                //小于31个点全显
                if(data.time.length<31){
                    datezoom_local={
                        stat_date:{start:0,end:100},
                        week_begin:{start:0,end:100},
                        month_num:{start:0,end:100},
                    };
                }


                if(eventType == 1 || eventType == 2){
                    if('stat_date'==dateGrp){
                        option_day.series.forEach(function(value){
                            value.type='line';
                        });                 
                        option_day.xAxis[0].axisLabel.formatter=function(value){
                            return value;
                        }
                    }else if('week_begin'==dateGrp){
                        option_day.series.forEach(function(value){
                            value.type='bar';
                        });
                        option_day.xAxis[0].axisLabel.formatter=function(value){
                            return value;
                        }
                    }else if('month_num'==dateGrp){
                        option_day.series.forEach(function(value){
                            value.type='bar';
                        });
                        option_day.xAxis[0].axisLabel.formatter=function(value){
                            return value.substr(0,4)+"年"+value.substr(4,2)+"月";
                        }
                    }
                    if(eventType == 1 && myChart.component.dataZoom){
                        option_day.dataZoom=datezoom_local[dateGrp];
                        myChart.component.dataZoom.absoluteZoom(datezoom_local[dateGrp]);
                        option_day.dataZoom.show=true;
                    }else if(eventType == 2){
                        option_day.dataZoom=datezoom_local[dateGrp];
                        option_day.dataZoom.show=!$('#time_checkbox_cateTrend').is(":checked");
                    }
                    myChart.setOption(option_day,true);
                }else if(eventType == 0){
                    myChart.component.dataZoom=compDataZoom_old;
                    // option_day.dataZoom.show=true;
                    myChart.setOption(option_day,true);
                    if($('#time_input_cateTrend').val()){
                        EC.addCompare($('#time_input_cateTrend').val());
                    }
                }
                myChart.hideLoading();
            },
            error : function() {
                myChart.hideLoading();
            }
        });
    }


   //提示框
    function  tooltipFunc(params, ticket, callback){
        var dateVal = formatShowDate(params[0].name);
        var index_current=getIndexByName(option_day.xAxis[0].data,params[0].name);

        var result='<table class="table-center">';
        result+='<tr><td>'+dateVal+'</td><td>';
        var isStatDay = isDay(); 
        if(isStatDay)
            result += getWeekDay(dateVal);
        result += '</td>';
        if(isStatDay)
            result +="<td>日环比</td><td>周同比</td>";
        else if(isWeek())
            result += "<td>周环比</td>";
         else if(isMonth())
            result += "<td>月环比</td>";
        result += '</tr>';
        var total=0;


        $(params).each(function(index,para){
            result+='<tr><td>'+para.seriesName+'</td><td>'+zrnumber.addCommas(para.data)+'</td>';
           
            var seriesIndex = para.seriesIndex;
            var day_td="<td>--</td>";
            //环比
            if(index_current-1>=0){
                var data_yesday = null;
                //去年同月
                // if(isMonth()){
                //     if(index_current-12>=0){
                //         data_yesday= option_day.series[seriesIndex].data[index_current-12];
                //     }
                // }else{ 
                    data_yesday= option_day.series[seriesIndex].data[index_current-1];                
                // }
                if(data_yesday != null){
                    var s=(((para.data/data_yesday)-1)*100).toFixed(2);
                    if(s>0){
                        day_td='<td style="color: orangered;">'+s+'%&#8593</td>';
                    }else{
                        day_td='<td style="color: greenyellow;">'+s+'%&#8595</td>';
                    }
                }
            }
            result += day_td;
            //周同比
            if(isStatDay){
                var week_td='<td></td>';
                if(index_current-7>=0){
                    data_week= option_day.series[seriesIndex].data[index_current-7];
                    var s=(((para.data/data_week)-1)*100).toFixed(2);
                    if(s>0){
                        week_td='<td style="color: orangered;">'+s+'%&#8593</td>';
                    }else{
                        week_td='<td style="color: greenyellow;">'+s+'%&#8595</td>';
                    }
                }
                result += week_td;
            }
            result += '</tr>';
        });
        result+='</table>';
        return result;
    }   

    var zrnumber = require('echarts/util/number');

    function formatShowDate(yyyymmdd){
        var dateGrp = $('#cateTrendOption').attr('dateGrp');
        if('stat_date'==dateGrp){
            return yyyymmdd;
        }else if('week_begin'==dateGrp){
            return yyyymmdd;
        }else if('month_num'==dateGrp){
            return yyyymmdd.substr(0,4)+"年"+yyyymmdd.substr(4,2)+"月";
        }
    }

    function isDay(){
        var dateGrp = $('#cateTrendOption').attr('dateGrp');
        if('stat_date'==dateGrp){
            return true;
        }
        return false;
    }

    function isWeek(){
        var dateGrp = $('#cateTrendOption').attr('dateGrp');
        if('week_begin'==dateGrp){
            return true;
        }
        return false;
    }

    function isMonth(){
        var dateGrp = $('#cateTrendOption').attr('dateGrp');
        if('month_num'==dateGrp){
            return true;
        }
        return false;
    }

    var zrUtil = require('zrender/tool/util');


    function getShowDays(){
        return compDataZoom_old.option.xAxis[0].data;
    }
    
    function addCompare(time){
        time=formatTime(time);
        var copy=zrUtil.clone(option_day);
        copy.toolbox.feature.magicType.show=false;
        copy.toolbox.feature.dataZoom.show=false;
        var index_time=getIndexByName(option_day.xAxis[0].data,time);
        var index_show=getIndexByName(option_day.xAxis[0].data,getShowDays()[0]);
        var length=getShowDays().length;
        setCompareXaxis(copy,index_time,index_show,length);
        var index=0;
        //选中对比时，再次选择指标，需要记忆图例的选择状态
        $.each(legend_SelectedMap,function(key,value){
            //判断是否在当前图例值中，应为echarts会把"对比时间段"也放入SelectedMap
            if($.inArray(key,option_day.legend.data) != -1){
                if(value){
                    return false;
                }
                index++;
            }     
        });
        
        if(index<option_day.legend.data.length){
            setCompareSeries(copy,index,index_time,index_show,length);
            setCompareYaxis(copy,index);
            setCompareLegend(copy);
            setCompareTooltip(copy);
            delete copy.dataZoom;
            myChart.restore();
            myChart.setOption(copy,true);
        }

    }

    function setCompareLegend(copy){
        copy.legend= {
            data:[copy.series[0].name, copy.series[1].name],
            selectedMode:false
        }
    }

    var compDataZoom_old;
    var legend_SelectedMap={};  //需要记忆图例的选择状态
    function hideDataZoom(){
        legend_SelectedMap=myChart.component.legend.getSelectedMap();
        compDataZoom_old=myChart.component.dataZoom;    //记忆缩放
        option_day.dataZoom.show=false;
        myChart.setOption(option_day,false);
    }

    function removeCompare(){
        //恢复缩放
        myChart.component.dataZoom=compDataZoom_old;
        option_day.dataZoom.show=true;
        //去掉对比时恢复图例的选择状态
        $.each(legend_SelectedMap,function(key,value){
            if($.inArray(key,option_day.legend.data) != -1){
                myChart.component.legend.setSelected(key,value);
            }else{
                myChart.component.legend.setSelected(key,false);
            }
        });
        myChart.setOption(option_day,true);
    }

    function setCompareTooltip(copy){
        copy.series[1]&&copy.series[1].tooltip&&(copy.series[1].tooltip={show:false});
        copy.series[2]&&copy.series[2].tooltip&&(copy.series[2].tooltip={show:false});
        copy.series[3]&&copy.series[3].tooltip&&(copy.series[3].tooltip={show:false});

        copy.tooltip.formatter=function(params, ticket, callback){
            var date_current=params[0][1];
            var data_current=params[0][2];
            var index_current=getIndexByName(copy.xAxis[0].data,date_current);
            
            var dateVal = formatShowDate(date_current);
            var result='<table class="table-center">' +
                '<tr><td>'+dateVal;
            //是日要显示周几
            if(isDay())
                 result += ' ('+getWeekDay(dateVal)+')';
            result += '</td><td>'+zrnumber.addCommas(data_current)+'</td></tr>';
            if(copy.series[1]){
                var data_compare=copy.series[1].data[index_current];
                var s=(((data_current-data_compare)/data_compare)*100).toFixed(2);
                dateVal = formatShowDate(copy.xAxis[1].data[index_current]);
                result+='<tr><td>'+dateVal;
                if(isDay())
                    result += ' ('+getWeekDay(dateVal)+')';
                result += '</td><td>'+zrnumber.addCommas(data_compare)+'</td></tr>';
                if(s>0){
                    result+='<tr><td>变化</td><td style="color: orangered">'+s+'%&#8593</td></tr>';
                }else{
                    result+='<tr><td>变化</td><td style="color: greenyellow">'+s+'%&#8595</td></tr>';
                }
            }
            result+='</table>';
            return   result;
        }
    }

    function  setCompareSeries(copy,index,index_time,index_show,length){
        copy.series=[];
        //原来数据
        copy.series.push(zrUtil.clone(option_day.series[index]));
        copy.series[0].type='line';
        copy.series[0].data=option_day.series[index].data.slice(index_show,index_show+length);
        delete  copy.series[0].stack;
        delete  copy.series[0].itemStyle;
        //对比数据
        copy.series.push(zrUtil.clone(option_day.series[index]));
        copy.series[1].type='line';
        copy.series[1].name="对比时间段";
        copy.series[1].xAxisIndex=1;
        //双Y轴时要重新设置 
        copy.series[0].yAxisIndex=1;
        copy.series[1].yAxisIndex=1;
        delete  copy.series[1].stack;
        delete  copy.series[1].itemStyle;

        copy.series[1].data=option_day.series[index].data.slice(index_time,index_time+length);
        if(length>31){return}
        //对比柱
        copy.series.push({
            tooltip:{show:false},
            show:false,
            name: '对比时间段',
            type: 'bar',
            stack: '1',
            barWidth:3,
            xAxisIndex:1,
            itemStyle:{
                normal:{
                    color:'rgba(0,0,0,0)'
                },
                emphasis:{
                    color:'rgba(0,0,0,0)'
                }
            },
            data: function(){
                var i=0;
                return $.map(copy.series[1].data,function(val){
                    var tt=copy.series[0].data[i++];
                    if(val<tt){
                        return val;
                    }else{
                        return tt;
                    }
                })
            }()
        });
        copy.series.push({
            tooltip:{show:false},
            name: '变化',
            type: 'bar',
            stack: '1',
            xAxisIndex:1,
            data: function(){
                var i=0;
                return $.map(copy.series[1].data,function(val){
                    var tt=copy.series[0].data[i++];
                    if(val<tt){
                        return tt-val;
                    }else{
                        return {value : val-tt, itemStyle:{ normal:{color:'red'}}};
                        //return val-tt;
                    }
                })
            }()
        });
    }

    function setCompareXaxis(copy,index_time,index_show,length){
        copy.xAxis=[];
        copy.xAxis.push(zrUtil.clone(option_day.xAxis[0]));
        copy.xAxis.push(zrUtil.clone(option_day.xAxis[0]));
        copy.xAxis[0].data=option_day.xAxis[0].data.slice(index_show,index_show+length);
        copy.xAxis[1].data=option_day.xAxis[0].data.slice(index_time,index_time+length);
    }    

    //双Y轴时要重新设置Y轴名称
    function setCompareYaxis(copy,index){
        var yAxisName = copy.yAxis[index].name;
        copy.yAxis.forEach(function(value){
            value.name=yAxisName;
        }); 
    }

    function getIndexByName(data,name) {
        var dataLength = data.length;
        for (var i = 0; i < dataLength; i++) {
            if (data[i] == name || typeof data[i].value != 'undefined' && data[i].value == name) {
                return i;
            }
        }
        return -1;
    }
    function formatTime(time){
        return time;
    }


    function getAllDays(){
        return option_day.xAxis.data||option_day.xAxis[0].data;
    }

    var EC={
        echart:myChart,
        'show':show,
        resize:function(){myChart.resize();},
        hideDataZoom:hideDataZoom,
        removeCompare:removeCompare,
        getShowDays:getShowDays,
        getAllDays:getAllDays,
        addCompare:addCompare
    };

        //绑定chenge事件
        // $("#index_cateTrend").change(function(){
        //     changeIndex(this);
        //     var type = 2;
        //      if($('#time_checkbox_cateTrend').is(":checked"))
        //         type=0;        
        //     EC.show(cateTrend,type);
        // });
        $(":button.btnCateTrend[dateGrp]").click(function(){
            changeDateGrp(this);
            $('#time_checkbox_cateTrend').attr('checked',false);
            $('#time_input_cateTrend').val('');
            $('#time_input_cateTrend').attr('disabled','');
            if($(this).attr('dateGrp')=='week_begin'){
                $('#time_input_cateTrend').parent().css('visibility',"hidden");
            }else{
                $('#time_input_cateTrend').parent().css('visibility',"visible");
            }
            EC.show(businessName,1);
        });

        //时间勾选框事件
        $('#time_checkbox_cateTrend').change(function(e){
            var input=$('#time_input_cateTrend');
            if(!input)return;
            if($(this).is(":checked")){
                input.removeAttr('disabled');
                input.attr('placeholder','选择比较时间起点');               
                EC.hideDataZoom();
                setDatePicker(EC, $('#cateTrendOption').attr('dateGrp'),input);
            }else{
                input.val('');
                input.attr('disabled','');
                input.attr('placeholder','添加对比');               
                EC.removeCompare();
            }
        });

        //时间选择事件
        $('#time_input_cateTrend').datepicker().on('changeDate',function(e){
            EC.addCompare(e.format());
        });
    //绑定chenge事件
    $("#index_cateTrend").change(function(){
        changeIndex(this);
        var type = 2;
        if($('#time_checkbox_cateTrend').is(":checked"))
            type=0;        
        EC.show(businessName,type);
    });
    
    //绑定chenge事件
    $("#userType_cateTrend").change(function(){
        var type = 2;
        if($('#time_checkbox_cateTrend').is(":checked"))
            type=0;        
        EC.show(businessName,type);
    });        
    return EC;
});

